问题描述: money is everything and knowledge is of no use.of起什么作用?不用of为什么不可以? 1个回答 分类:英语 2014-09-22 问题解答: 我来补答 of no use n.无用(无效)例句:It is of no use boasting of being rich on a desert island.在无人岛上夸耀富有也是白费力气.It is of no use to talk to him; he is as deaf as a post.跟他说话毫无用处,因为他一点也听见.Lacking worth; of no use or value.无价值的不值得的;无用的或无价值的固定搭配,一定要用 展开全文阅读